1-9 of 9
Laser speckle
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

The Effect of Wire Type on Cracking Propensity in Prestressed Concrete Prisms

Adrijana Savic, B. Terry Beck, Aref Shafiei Dastgerdi, Robert J. Peterman, Kyle Riding, Aaron A. Robertson
Proc. ASME. JRC2019, 2019 Joint Rail Conference, V001T01A002, April 9–12, 2019
Publisher: American Society of Mechanical Engineers
Paper No: JRC2019-1234
https://doi.org/10.1115/JRC2019-1234
View Paper titled, The Effect of Wire Type on Cracking Propensity in Prestressed Concrete Prisms
Open the PDF for The Effect of Wire Type on Cracking Propensity in Prestressed Concrete Prisms in another window
Topics: Cracking (Materials), Fracture (Process), Prestressed concrete, Prisms (Optics), Wire, Concretes, Fracture (Materials), Steel, Compressive strength, Railroads
Proceedings Papers

Effects of Cover, Compressive Strength, and Wire Type on Bond Performance in Prismatic Prestressed Concrete Members

Adrijana Savic, B. Terry Beck, Aaron A. Robertson, Robert J. Peterman, Jeremiah Clark, Chih-Hang (John) Wu
Proc. ASME. JRC2018, 2018 Joint Rail Conference, V001T01A007, April 18–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: JRC2018-6153
https://doi.org/10.1115/JRC2018-6153
View Paper titled, Effects of Cover, Compressive Strength, and Wire Type on Bond Performance in Prismatic Prestressed Concrete Members
Open the PDF for Effects of Cover, Compressive Strength, and Wire Type on Bond Performance in Prismatic Prestressed Concrete Members in another window
Topics: Compressive strength, Prestressed concrete, Wire, Concretes, Prisms (Optics), Cracking (Materials), Fracture (Process), Fracture (Materials), Railroads, Cross section (Physics)
Proceedings Papers

Transfer Length Characterization of Entire Crosstie Plant Casting Bed Using Continuously Traversing Dual-Camera Non-Contact Optical Strain Sensors

B. Terry Beck, Aaron A. Robertson, Robert J. Peterman, Kyle A. Riding, John Wu
Proc. ASME. JRC2017, 2017 Joint Rail Conference, V001T01A013, April 4–7, 2017
Publisher: American Society of Mechanical Engineers
Paper No: JRC2017-2297
https://doi.org/10.1115/JRC2017-2297
View Paper titled, Transfer Length Characterization of Entire Crosstie Plant Casting Bed Using Continuously Traversing Dual-Camera Non-Contact Optical Strain Sensors
Open the PDF for Transfer Length Characterization of Entire Crosstie Plant Casting Bed Using Continuously Traversing Dual-Camera Non-Contact Optical Strain Sensors in another window
Topics: Casting, Strain sensors, Manufacturing, Cavities, Prestressed concrete, Quality control, Resolution (Optics), Testing, Bearings, Doors
Proceedings Papers

Performance of a Continuously Traversing 2-Camera Non-Contact Optical Strain Sensor for In-Plant Assessment of Prestressed Concrete Railroad Crosstie Transfer Length

B. Terry Beck, Aaron A. Robertson, Robert J. Peterman, Chih-Hang John Wu
Proc. ASME. JRC2016, 2016 Joint Rail Conference, V001T01A014, April 12–15, 2016
Publisher: American Society of Mechanical Engineers
Paper No: JRC2016-5751
https://doi.org/10.1115/JRC2016-5751
View Paper titled, Performance of a Continuously Traversing 2-Camera Non-Contact Optical Strain Sensor for In-Plant Assessment of Prestressed Concrete Railroad Crosstie Transfer Length
Open the PDF for Performance of a Continuously Traversing 2-Camera Non-Contact Optical Strain Sensor for In-Plant Assessment of Prestressed Concrete Railroad Crosstie Transfer Length in another window
Topics: Prestressed concrete, Railroads, Strain sensors, Measurement systems, Strain measurement, Gages, Resolution (Optics), Testing, Casting, Computers
Proceedings Papers

In-Plant Testing of a New Multi-Camera Transfer Length Measurement System for Monitoring Quality Control of Railroad Crosstie Production

B. Terry Beck, Robert J. Peterman, Chih-Hang John Wu, Naga Narendra B. Bodapati
Proc. ASME. JRC2015, 2015 Joint Rail Conference, V001T01A028, March 23–26, 2015
Publisher: American Society of Mechanical Engineers
Paper No: JRC2015-5749
https://doi.org/10.1115/JRC2015-5749
View Paper titled, In-Plant Testing of a New Multi-Camera Transfer Length Measurement System for Monitoring Quality Control of Railroad Crosstie Production
Open the PDF for In-Plant Testing of a New Multi-Camera Transfer Length Measurement System for Monitoring Quality Control of Railroad Crosstie Production in another window
Topics: Measurement systems, Quality control, Railroads, Testing, Concretes, Railroad ties, Strain measurement, Surface preparation, Wire, Algorithms
Proceedings Papers

Reliable Transfer Length Assessment for Real-Time Monitoring of Railroad Crosstie Production

Weixin Zhao, B. Terry Beck, Robert J. Peterman, Chih-Hang John Wu, Naga Narendra B. Bodapati, Grace Lee
Proc. ASME. JRC2014, 2014 Joint Rail Conference, V001T01A024, April 2–4, 2014
Publisher: American Society of Mechanical Engineers
Paper No: JRC2014-3830
https://doi.org/10.1115/JRC2014-3830
View Paper titled, Reliable Transfer Length Assessment for Real-Time Monitoring of Railroad Crosstie Production
Open the PDF for Reliable Transfer Length Assessment for Real-Time Monitoring of Railroad Crosstie Production in another window
Topics: Railroads, Concretes, Prestressed concrete, Railroad ties, Shapes, Testing, Uncertainty, Gages, Imaging, Laser speckle
Proceedings Papers

Development of a 5-Camera Transfer Length Measurement System for Real-Time Monitoring of Railroad Crosstie Production

Weixin Zhao, B. Terry Beck, Robert J. Peterman, Chih-Hang John Wu
Proc. ASME. JRC2013, 2013 Joint Rail Conference, V001T01A011, April 15–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: JRC2013-2468
https://doi.org/10.1115/JRC2013-2468
View Paper titled, Development of a 5-Camera Transfer Length Measurement System for Real-Time Monitoring of Railroad Crosstie Production
Open the PDF for Development of a 5-Camera Transfer Length Measurement System for Real-Time Monitoring of Railroad Crosstie Production in another window
Topics: Measurement systems, Railroads, Strain measurement, Design, Engineering prototypes, Fittings, Gages, Imaging, Instrumentation, Laser speckle
Proceedings Papers

A Direct Comparison of the Traditional Method and a New Approach in Determining 220 Transfer Lengths in Prestressed Concrete Railroad Ties

Weixin Zhao, B. Terry Beck, Robert J. Peterman, Robert Murphy, Chih-Hang John Wu, Grace Lee
Proc. ASME. JRC2013, 2013 Joint Rail Conference, V001T01A012, April 15–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: JRC2013-2469
https://doi.org/10.1115/JRC2013-2469
View Paper titled, A Direct Comparison of the Traditional Method and a New Approach in Determining 220 Transfer Lengths in Prestressed Concrete Railroad Ties
Open the PDF for A Direct Comparison of the Traditional Method and a New Approach in Determining 220 Transfer Lengths in Prestressed Concrete Railroad Ties in another window
Topics: Prestressed concrete, Railroad ties, Gages, Concretes, Imaging, Laser speckle, Resolution (Optics), Theoretical analysis
Proceedings Papers

Detecting Flat Wheels With a Fiber-Optic Sensor

Duwayne R. Anderson
Proc. ASME. JRC2006, Joint Rail, 25-30, April 4–6, 2006
Publisher: American Society of Mechanical Engineers
Paper No: JRC2006-94009
https://doi.org/10.1115/JRC2006-94009
View Paper titled, Detecting Flat Wheels With a Fiber-Optic Sensor
Open the PDF for Detecting Flat Wheels With a Fiber-Optic Sensor in another window
Topics: Fiber optic sensors, Wheels, Fibers, Fast Fourier transforms, Interferometry, Laser speckle, Railroads, Rails, Sensors, Signal processing